1. In 1887, Granville T. Woods received Patent for Electromechanical brake
2. In 1898, W. Purdy Received Patent for Design for sharpening edged tools
3. In 1963, Emancipation Proclamation stamp goes on sale designed by George Olden.
1. In 1887, Granville T. Woods received Patent for Electromechanical brake
2. In 1898, W. Purdy Received Patent for Design for sharpening edged tools
3. In 1963, Emancipation Proclamation stamp goes on sale designed by George Olden.
Written by Johnny B. Moore
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